CN114599516A - 双向取向mdpe膜 - Google Patents
双向取向mdpe膜 Download PDFInfo
- Publication number
- CN114599516A CN114599516A CN202080074129.0A CN202080074129A CN114599516A CN 114599516 A CN114599516 A CN 114599516A CN 202080074129 A CN202080074129 A CN 202080074129A CN 114599516 A CN114599516 A CN 114599516A
- Authority
- CN
- China
- Prior art keywords
- film
- mdpe
- base structure
- bope
- polyethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001179 medium density polyethylene Polymers 0.000 title claims description 56
- 239000004701 medium-density polyethylene Substances 0.000 title claims description 56
- BLDFSDCBQJUWFG-UHFFFAOYSA-N 2-(methylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NC)C(O)C1=CC=CC=C1 BLDFSDCBQJUWFG-UHFFFAOYSA-N 0.000 title claims 3
- 238000000034 method Methods 0.000 claims abstract description 33
- -1 Polyethylene Polymers 0.000 claims abstract description 25
- 239000004698 Polyethylene Substances 0.000 claims abstract description 24
- 229920000573 polyethylene Polymers 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000009826 distribution Methods 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 34
- 229920000034 Plastomer Polymers 0.000 claims description 12
- 239000012792 core layer Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011954 Ziegler–Natta catalyst Substances 0.000 claims description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims description 2
- 229920013716 polyethylene resin Polymers 0.000 abstract 1
- 229920001903 high density polyethylene Polymers 0.000 description 14
- 239000004700 high-density polyethylene Substances 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 14
- 239000000203 mixture Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 229920000092 linear low density polyethylene Polymers 0.000 description 7
- 239000004707 linear low-density polyethylene Substances 0.000 description 7
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 5
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 238000010525 oxidative degradation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000001692 EU approved anti-caking agent Substances 0.000 description 1
- 241000132179 Eurotium medium Species 0.000 description 1
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012685 gas phase polymerization Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012968 metallocene catalyst Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- LRGQZEKJTHEMOJ-UHFFFAOYSA-N propane-1,2,3-triol;zinc Chemical compound [Zn].OCC(O)CO LRGQZEKJTHEMOJ-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/0641—MDPE, i.e. medium density polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/005—Oriented
- B29K2995/0053—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0063—Density
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/242—All polymers belonging to those covered by group B32B27/32
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/518—Oriented bi-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962924833P | 2019-10-23 | 2019-10-23 | |
| US62/924833 | 2019-10-23 | ||
| US202063045383P | 2020-06-29 | 2020-06-29 | |
| US63/045383 | 2020-06-29 | ||
| PCT/IB2020/059816 WO2021079255A1 (fr) | 2019-10-23 | 2020-10-19 | Film mdpe à orientation biaxiale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114599516A true CN114599516A (zh) | 2022-06-07 |
Family
ID=73038276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080074129.0A Pending CN114599516A (zh) | 2019-10-23 | 2020-10-19 | 双向取向mdpe膜 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20220402192A1 (fr) |
| EP (1) | EP4048503A1 (fr) |
| JP (1) | JP2022554151A (fr) |
| KR (1) | KR20220068251A (fr) |
| CN (1) | CN114599516A (fr) |
| BR (1) | BR112022007655A2 (fr) |
| CA (1) | CA3152938A1 (fr) |
| MX (1) | MX2022004689A (fr) |
| WO (1) | WO2021079255A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3102574A1 (fr) * | 2020-06-29 | 2021-12-29 | Nova Chemicals Corporation | Copolymere ethylenique a orientation biaxiale |
| US20230092207A1 (en) * | 2021-09-10 | 2023-03-23 | Braskem S.A. | Polyethylene-based composition and biaxially oriented polyethylene-based articles |
| AR127609A1 (es) * | 2021-11-12 | 2024-02-14 | Dow Global Technologies Llc | Películas de polietileno de alta rigidez orientadas biaxialmente |
| WO2023139201A1 (fr) | 2022-01-21 | 2023-07-27 | Totalenergies Onetech | Film de polyéthylène biaxialement orienté et procédé de production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890271A (zh) * | 2003-12-05 | 2007-01-03 | 尤尼威蒂恩技术有限责任公司 | 聚乙烯薄膜 |
| CN101765624A (zh) * | 2007-07-30 | 2010-06-30 | 弗纳技术股份有限公司 | 聚乙烯薄膜 |
| CN102956858A (zh) * | 2011-08-21 | 2013-03-06 | 比亚迪股份有限公司 | 一种电池隔膜及其制备方法 |
| CN103524861A (zh) * | 2012-07-05 | 2014-01-22 | 中国石油化工股份有限公司 | 一种耐高温、高耐压聚乙烯组合物及其制备方法 |
| JP2019143142A (ja) * | 2018-02-23 | 2019-08-29 | 東レ株式会社 | 多孔性ポリオレフィンフィルム |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6689857B1 (en) * | 1996-10-03 | 2004-02-10 | Exxonmobil Oil Corporation | High density polyethylene film with high biaxial orientation |
| US5885721A (en) * | 1996-10-03 | 1999-03-23 | Mobil Oil Corporation | Multilaminar high density polyethylene film with high biaxial orientation |
| GB9700154D0 (en) | 1997-01-07 | 1997-02-26 | Primapharma Ltd | Peptides |
| US6946203B1 (en) | 2002-12-31 | 2005-09-20 | Exxon Mobil Oil Corporation | Multilayer polyolefin substrate with low density core and stiff outer layers |
| EP1819510B1 (fr) | 2004-11-29 | 2012-07-04 | Avery Dennison Corporation | Films colores multicouches coextrudes |
| ES2587441T3 (es) | 2011-08-26 | 2016-10-24 | Dow Global Technologies Llc | Película de polietileno biorientada |
| US9676169B2 (en) | 2014-07-31 | 2017-06-13 | Toray Plastics (America), Inc. | Biaxially oriented high density polyethylene film with improved sealant layer |
| TWI758301B (zh) | 2016-06-28 | 2022-03-21 | 美商陶氏全球科技有限責任公司 | 多層膜、包括多層膜之製品、製造多層膜之方法 |
| EP3335874A1 (fr) | 2016-12-15 | 2018-06-20 | Borealis AG | Articles à orientation biaxiale comprenant un polymère de polyéthylène multimodal |
| US20210115206A1 (en) | 2018-02-23 | 2021-04-22 | Toray Industries, Inc. | Porous polyolefin film |
| US11370204B2 (en) * | 2018-03-29 | 2022-06-28 | Toray Plastics (America), Inc. | Oriented polypropylene film with improved blocking resistance |
-
2020
- 2020-10-19 JP JP2022523881A patent/JP2022554151A/ja active Pending
- 2020-10-19 KR KR1020227013564A patent/KR20220068251A/ko active Search and Examination
- 2020-10-19 WO PCT/IB2020/059816 patent/WO2021079255A1/fr unknown
- 2020-10-19 EP EP20799832.9A patent/EP4048503A1/fr active Pending
- 2020-10-19 CA CA3152938A patent/CA3152938A1/fr active Pending
- 2020-10-19 CN CN202080074129.0A patent/CN114599516A/zh active Pending
- 2020-10-19 BR BR112022007655A patent/BR112022007655A2/pt unknown
- 2020-10-19 US US17/770,822 patent/US20220402192A1/en active Pending
- 2020-10-19 MX MX2022004689A patent/MX2022004689A/es unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890271A (zh) * | 2003-12-05 | 2007-01-03 | 尤尼威蒂恩技术有限责任公司 | 聚乙烯薄膜 |
| CN101765624A (zh) * | 2007-07-30 | 2010-06-30 | 弗纳技术股份有限公司 | 聚乙烯薄膜 |
| CN102956858A (zh) * | 2011-08-21 | 2013-03-06 | 比亚迪股份有限公司 | 一种电池隔膜及其制备方法 |
| CN103524861A (zh) * | 2012-07-05 | 2014-01-22 | 中国石油化工股份有限公司 | 一种耐高温、高耐压聚乙烯组合物及其制备方法 |
| JP2019143142A (ja) * | 2018-02-23 | 2019-08-29 | 東レ株式会社 | 多孔性ポリオレフィンフィルム |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4048503A1 (fr) | 2022-08-31 |
| KR20220068251A (ko) | 2022-05-25 |
| WO2021079255A1 (fr) | 2021-04-29 |
| CA3152938A1 (fr) | 2021-04-29 |
| JP2022554151A (ja) | 2022-12-28 |
| BR112022007655A2 (pt) | 2022-08-09 |
| MX2022004689A (es) | 2022-05-10 |
| US20220402192A1 (en) | 2022-12-22 |
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